Concatenation; e.g. A || B is the concatenation of bit strings A and B.
Source(s):
NIST SP 800-106
The concatenation of binary strings A and B.
Source(s):
NIST SP 800-108
under A || B
Concatenation
Source(s):
NIST SP 800-133 Rev. 2
NIST SP 800-133
[Superseded]
NIST SP 800-133 Rev.1
[Superseded]
Concatenation operation; for example, a || b means that string b is appended after string a.
Source(s):
NIST SP 800-135 Rev. 1